/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.common.adapter;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Set;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.hisp.dhis.render.DeviceRenderTypeMap;
import org.hisp.dhis.render.RenderDevice;
import org.hisp.dhis.render.type.RenderingObject;

public class DeviceRenderTypeMapSerializer
    extends JsonSerializer<DeviceRenderTypeMap<RenderingObject<?>>> {
  @Override
  @SuppressWarnings("unchecked")
  public void serialize(
      DeviceRenderTypeMap<RenderingObject<?>> value,
      JsonGenerator gen,
      SerializerProvider serializers)
      throws IOException {
    Set<RenderDevice> keys = value.keySet();
    if (ToXmlGenerator.class.isAssignableFrom(gen.getClass())) {
      ToXmlGenerator xmlGenerator = (ToXmlGenerator) gen;
      try {
        XMLStreamWriter staxWriter = xmlGenerator.getStaxWriter();
        for (RenderDevice key : keys) {
          RenderingObject<?> val = value.get(key);
          staxWriter.writeStartElement(key.name());
          staxWriter.writeAttribute(RenderingObject._TYPE, val.getType().name());
          staxWriter.writeEndElement();
        }
      } catch (XMLStreamException e) {
        throw new RuntimeException(e);
      }
    } else {
      gen.writeStartObject();

      for (RenderDevice key : keys) {
        Object val = value.get(key);
        String fieldValue = "";

        if (LinkedHashMap.class.isAssignableFrom(val.getClass())) {
          LinkedHashMap<String, String> map = (LinkedHashMap<String, String>) val;
          fieldValue = map.get(RenderingObject._TYPE);
        } else if (RenderingObject.class.isAssignableFrom(val.getClass())) {
          RenderingObject<?> renderingObject = (RenderingObject<?>) val;
          fieldValue = renderingObject.getType().name();
        } else {
          fieldValue = val.toString();
        }

        gen.writeObjectFieldStart(key.name());
        gen.writeStringField(RenderingObject._TYPE, fieldValue);
        gen.writeEndObject();
      }
      gen.writeEndObject();
    }
  }
}
